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Proceedings of the Mavlyutov Institute of Mechanics


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Moiseyev K.V., Ilyasov A.M. Investigation of Nusselt numbers in the convection of thermally viscous liquids Proceedings of the Institute of Mechanics of Ufa Branch of RAS. 6 (2008). 127–131.
2008. Vol. 6. Issue 1, Pp. 127–131
URL: http://proc.uimech.org/uim2008.1.017
DOI: 10.21662/uim2008.1.017
Investigation of Nusselt numbers in the convection of thermally viscous liquids
Moiseyev K.V., Ilyasov A.M.
Institute of Mechanics, Ufa

Abstract

In the paper, free convection of thermally viscous liquids in a square cell is numerically investigated. Quadratic and exponential viscosity versus temperature is considered. The influence of these dependences on the Nusselt number is studied. It is established that the dependence of the Nusselt number on the Rayleigh numbers is characterized by the average viscosity, monotonicity, and convexity of the viscosity function of temperature.

Keywords

thermo-viscous fluid,
numerical simulation,
Nusselt number